2557988496 has 120 divisors (see below), whose sum is σ = 8213462400. Its totient is φ = 727999488.

The previous prime is 2557988437. The next prime is 2557988501. The reversal of 2557988496 is 6948897552.

2557988496 is a `hidden beast` number, since 2 + 5 + 57 + 98 + 8 + 496 = 666.

2557988496 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260280 + ... + 269928.

It is an arithmetic number, because the mean of its divisors is an integer number (68445520).

Almost surely, 2^2557988496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2557988496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4106731200).

2557988496 is an abundant number, since it is smaller than the sum of its proper divisors (5655473904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2557988496 is a wasteful number, since it uses less digits than its factorization.

2557988496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9924 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The square root of 2557988496 is about 50576.5607371636. The cubic root of 2557988496 is about 1367.6223693479.

The spelling of 2557988496 in words is "two billion, five hundred fifty-seven million, nine hundred eighty-eight thousand, four hundred ninety-six".